code: def test_mask_no_op(self):
      rows = [
          {
              "text": "find me the quickest route home",
              "seqlogical": "[in:get_directions find me the quickest route [sl:destination [in:get_location_home home ] ] ]",
          }
      ]
  
      masked_tensorizer = MaskedTokenTensorizer.from_config(
          MaskedTokenTensorizer.Config(
              column="seqlogical",
              masking_function=RandomizedMaskingFunction.Config(seed=2),
          )
      )
  
      self._initialize_tensorizer(masked_tensorizer)
  
      vocab = masked_tensorizer.vocab
      masked_results = masked_tensorizer.tensorize(
          [masked_tensorizer.numberize(row) for row in rows]
      )
  
      (
          all_tokens,
          _,
          _,
          all_masked_source,
          _all_masked_target,
      ) = masked_results
      _, masked_source = (all_tokens[0], all_masked_source[0])
      masked_tokens: List[str] = [vocab[tok] for tok in masked_source]
      target: List[str] = [
          vocab[vocab.get_mask_index()],
          vocab[vocab.get_mask_index()],
          "me",
          vocab[vocab.get_mask_index()],
          vocab[vocab.get_mask_index()],
          vocab[vocab.get_mask_index()],
          "[sl:destination",
          vocab[vocab.get_mask_index()],
          "home",
          vocab[vocab.get_mask_index()],
          vocab[vocab.get_mask_index()],
          vocab[vocab.get_mask_index()],
      ]
      self.assertEqual(masked_tokens, target)
  
file_path: pytext/pytext/data/test/mask_tensorizers_test.py
imports: import types
  import unittest
  from typing import List
  from pytext.data.masked_tensorizer import MaskedTokenTensorizer
  from pytext.data.masked_util import MaskEverything, RandomizedMaskingFunction, TreeMask
  from pytext.data.sources.data_source import SafeFileWrapper
  from pytext.data.sources.tsv import TSVDataSource
  from pytext.utils.test import import_tests_module
label_desc: Use image node_id 8 for calling the MaskTensorizersTest obj's underlying member method code with example usage: obj.test_mask_no_op() without return types